﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
class MyMath
{
	public int add(int a, int b)
	{
		return a + b;
	}
	public int sub(int a, int b)
	{
		return a - b;
	}
	public int mul(int a, int b)
	{
		return a * b;
	}
	public int div(int a, int b)
	{
		return a / b;
	}
}
class MyMathTest
{
	public static void Main(String[] args)
	{

		Console.WriteLine("请输入第一个操作数：");
		int firstNumber = Convert.ToInt32((Console.ReadLine()));
		Console.WriteLine("请输入第二个操作数：");
		int secondNumber = Convert.ToInt32((Console.ReadLine()));

		
		MyMath mm = new MyMath();

		Console.WriteLine("加法结果：" + mm.add(firstNumber, secondNumber));
		Console.WriteLine("减法结果：" + mm.sub(firstNumber, secondNumber));
		Console.WriteLine("乘法结果：" + mm.mul(firstNumber, secondNumber));
		Console.WriteLine("除法结果：" + mm.div(firstNumber, secondNumber));
	}
}